Reducing scattered light in LIGO's third observing run

@article{Soni2020ReducingSL,
  title={Reducing scattered light in LIGO's third observing run},
  author={S. Soni and C. Austin and A. Effler and R. Schofield and G. Gonz{\'a}lez and V. Frolov and J. C. Driggers and A. Pele and A. Urban and G. Valdes and R. Abbott and C. Adams and R. Adhikari and A. Ananyeva and S. Appert and K. Arai and J. Areeda and Y. Asali and S. Aston and A. Baer and M. Ball and S. Ballmer and S. Banagiri and D. Barker and L. Barsotti and J. Bartlett and B. Berger and J. Betzwieser and D. Bhattacharjee and G. Billingsley and S. Biscans and C. Blair and R. Blair and N. Bode and P. Booker and R. Bork and A. Bramley and A. Brooks and D. Brown and A. Buikema and C. Cahillane and K. Cannon and X. Chen and A. Ciobanu and F. Clara and S. J. Cooper and K. Corley and S. Countryman and P. B. Covas and D. Coyne and L. Datrier and D. Davis and C. D. Fronzo and K. Dooley and P. Dupej and S. Dwyer and T. Etzel and M. Evans and T. Evans and J. Feicht and A. Fernandez-Galiana and P. Fritschel and P. Fulda and M. Fyffe and J. Giaime and K. Giardina and P. Godwin and E. Goetz and S. Gras and C. Gray and R. Gray and A. C. Green and E. Gustafson and R. Gustafson and J. Hanks and J. Hanson and T. Hardwick and R. Hasskew and M. Heintze and A. Helmling-Cornell and N. Holland and J. Jones and S. Kandhasamy and S. Karki and M. Kasprzack and K. Kawabe and N. Kijbunchoo and P. King and J. Kissel and R. Kumar and M. Landry and B. Lane and B. Lantz and M. Laxen and Y. Lecoeuche and J. Leviton and J. Liu and M. Lormand and A. Lundgren and R. Macas and M. Macinnis and D. Macleod and G. Mansell and S. M'arka and Z. M'arka and D. Martynov and K. Mason and T. Massinger and F. Matichard and N. Mavalvala and R. McCarthy and D. McClelland and S. McCormick and L. McCuller and J. Mciver and T. McRae and G. Mendell and K. Merfeld and E. Merilh and F. Meylahn and T. Mistry and R. Mittleman and G. Moreno and C. Mow-Lowry and S. Mozzon and A. Mullavey and T. Nelson and P. Nguyen and L. Nuttall and J. Oberling and R. Oram and C. Osthelder and D. Ottaway and H. Overmier and J. R. Palamos and W. Parker and E. Payne and R. Penhorwood and C. Perez and M. Pirello and H. Radkins and K. Ramirez and J. Richardson and K. Riles and N. Robertson and J. Rollins and C. Romel and J. Romie and M. Ross and K. Ryan and T. Sadecki and E. Sanchez and L. Sanchez and T. R. Saravanan and R. Savage and D. Schaetzl and R. Schnabel and E. Schwartz and D. Sellers and T. Shaffer and D. Sigg and B. Slagmolen and J. Smith and B. Sorazu and A. Spencer and K. Strain and L. Sun and M. Szczepa'nczyk and M. Thomas and P. Thomas and K. Thorne and K. Toland and C. Torrie and G. Traylor and M. Tse and G. Vajente and D. Vander-Hyde and P. Veitch and K. Venkateswara and Gautam Venugopalan and A. Viets and T. Vo and C. Vorvick and M. Wade and R. Ward and J. Warner and B. Weaver and R. Weiss and C. Whittle and B. Willke and C. Wipf and L. Xiao and H. Yamamoto and H. Yu and L. Zhang and M. Zucker and J. Zweizig},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  year={2020}
}
Noise due to scattered light has been a frequent disturbance in the Advanced LIGO gravitational wave detectors, hindering the detection of gravitational waves. The non stationary scatter noise caused by low frequency motion can be recognized as arches in the time-frequency plane of the gravitational wave channel. In this paper, we characterize the scattering noise for LIGO's third observing run O3 from April, 2019 to March, 2020. We find at least two different populations of scattering noise… Expand
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